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Self-Addition of Metallacyclic Nickel Enolate Complexes Stabilized by Monodentate Phosphine Ligands

AuthorsCámpora, Juan ; Matas, Inmaculada ; Maya, Celia ; Palma, Pilar ; Álvarez, Eleuterio
Nickel enolate
Monodentate ligands
Metallacyclic enolate complexes
Aldol reaction
Issue Date17-May-2006
PublisherAmerican Chemical Society
CitationOrganometallics 25(13): 3124-3129 (2006)
AbstractIn contrast with their stable counterparts bearing the chelating diphosphines, the nickelacyclic O-enolate complexes stabilized by monodentate ligands (R = H, Me, L = PMe3; R = H, L = PMe2Ph ) undergo an unusual self-addition process leading to dinuclear alkoxo-hydroxo derivatives. The α-substituted enolate complexes (R = Me) are less prone to undergo this transformation, and the corresponding nickelacycles with L = PMe3 or PMe2Ph can be isolated in pure form.
Description6 páginas, 4 figuras, esquemas.
Publisher version (URL)http://dx.doi.org/10.1021/om060183j
Appears in Collections:(IIQ) Artículos
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